Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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813 FOCA52 TJSJ 100903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Fri May 10 2024 PRZ001-102000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 78 91 78 89 Temp 84 88 89 86 82 80 78 80 86 90 91 87 82 80 78 79 84 88 89 86 82 Dewpt 75 76 76 76 76 75 75 75 75 76 76 76 76 76 75 75 76 76 76 76 76 RH 74 68 66 72 82 85 91 85 70 64 62 70 82 88 91 88 77 68 66 72 82 Wind dir E E E E E E SE SE SE SE SE SE SE SE SE SE SE E E E SE Wind spd 5 10 10 6 4 4 3 3 5 8 10 5 3 4 4 4 4 6 9 6 6 Clouds B2 B2 SC B2 B2 B2 B2 B2 B1 B1 OV OV B2 B2 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 70 60 70 60 60 QPF 12hr 1.16 0.47 1.35 0.18 0.13 Rain shwrs L C C L L L L L C C L L C C C C L L C C C Tstms S S S S S S S S S S S S S S S Heat index 92 99101 96 89 84 84 95101103 98 90 86 83 93 99101 96 89 Max heat 92 101 100 87 95 103 103 88 93 101 100 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 90 77 89 77 89 77 89 Temp 78 85 90 81 77 84 89 81 77 84 89 81 77 84 89 81 Dewpt 75 76 77 76 76 76 76 76 75 76 77 76 75 76 77 76 PWind dir SE E E E E E E E Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B2 B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 50 50 40 20 50 50 40 30 Rain shwrs C C C C C C S S S C C C C C C S Tstms S $$ PRZ002-102000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 77 90 77 90 Temp 85 89 90 86 81 79 77 79 85 89 90 86 81 79 77 79 85 89 90 87 83 Dewpt 76 77 77 76 76 76 75 75 76 77 78 77 76 76 76 75 76 77 77 76 76 RH 75 68 66 72 85 91 94 88 75 68 68 75 85 91 97 88 75 68 66 70 80 Wind dir E E E E E E E SE SE SE S S SE SE SE SE SE SE SE SE SE Wind spd 8 9 9 8 4 4 4 4 8 9 9 8 3 4 4 6 9 8 6 5 4 Clouds B2 B2 SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 60 60 60 60 60 QPF 12hr 0.60 0.47 0.61 0.28 0.12 Rain shwrs L L C C L L L L C C L L C C L L L L C C C Tstms S S S S S S S S S S S S S S S S Heat index 95101103 97 88 83 94101104 97 88 83 94101103 98 91 Max heat 95 103 102 87 94 104 103 87 94 103 102 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 89 80 90 80 90 80 89 Temp 79 85 89 83 80 86 90 83 80 86 90 83 80 85 89 83 Dewpt 76 76 77 76 77 77 77 76 77 77 77 76 76 77 77 76 PWind dir SE E E E E E E E Wind char LT LT GN GN GN GN GN GN Avg clouds B1 B2 B2 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 50 50 40 20 50 50 40 30 Rain shwrs C C C C C C S S S C C C C C C S Tstms S S $$ PRZ007-102000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 76 88 76 87 Temp 82 86 88 85 80 78 76 77 83 87 88 85 80 78 76 77 82 86 87 84 79 Dewpt 70 72 72 72 72 72 71 71 73 73 73 71 71 70 71 72 72 71 71 71 71 RH 67 63 59 65 77 82 85 82 72 63 61 63 74 76 85 85 72 61 59 65 77 Wind dir E SE SE SE E E NE NE E SE SE SE E E E E E SE SE SE E Wind spd 4 10 9 6 3 3 3 4 4 8 6 5 3 3 4 5 6 6 6 6 5 Clouds SC SC SC FW B2 B2 B1 B1 SC SC SC SC CL CL B1 B1 SC SC CL CL SC PoP 12hr 60 60 20 40 20 QPF 12hr 0.17 0.35 0.02 0.05 0.02 Rain shwrs S S C S L L C C S S S S C C S S S Tstms S S Heat index 86 93 95 90 84 89 94 96 90 84 88 91 92 88 82 Max heat 86 95 94 83 89 96 95 82 88 92 92 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 89 74 88 74 88 74 88 Temp 75 83 89 79 74 82 88 79 74 82 88 79 74 82 88 79 Dewpt 71 71 72 73 72 72 73 73 71 72 73 73 71 69 72 71 PWind dir E E E E E E E E Wind char LT LT LT GN LT GN LT GN Avg clouds FW CL FW SC FW FW FW FW CL CL FW FW FW FW FW SC PoP 12hr 10 20 0 10 0 5 5 20 Rain shwrs S S S S S S S S S S S $$ PRZ008-102000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 77 84 78 84 Temp 80 83 84 82 79 78 77 78 81 83 84 82 80 79 78 79 82 83 84 82 79 Dewpt 73 74 74 74 74 75 75 74 73 74 74 74 74 75 75 74 73 74 75 75 74 RH 79 74 72 77 85 91 94 88 77 74 72 77 82 88 91 85 74 74 74 79 85 Wind dir E E E E E E SE SE SE N NE NE E E SE SE SE E N NE NE Wind spd 8 5 4 3 4 2 3 3 4 5 8 5 6 6 5 4 3 5 10 6 6 Clouds SC SC B2 B2 B2 CL CL CL CL CL OV OV B2 B2 CL CL CL CL OV OV B2 PoP 12hr 60 60 70 50 70 QPF 12hr 1.17 0.05 1.30 0.10 0.35 Rain shwrs S S L L L L L C C L L L Tstms S S S S S S S S S S Heat index 84 89 91 88 83 86 90 91 89 85 87 90 92 89 83 Max heat 84 91 91 86 91 91 84 87 92 92 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 84 76 84 75 84 75 84 Temp 77 81 84 79 76 81 84 78 75 80 84 78 75 80 84 78 Dewpt 75 73 75 75 76 74 76 75 75 73 76 75 75 73 76 75 PWind dir E NE E E E E E E Wind char LT LT GN GN GN GN GN GN Avg clouds B1 FW SC B1 SC FW FW SC CL FW SC SC SC SC SC SC PoP 12hr 60 50 10 30 10 30 30 30 Rain shwrs L S C C S S C C S S C C C C C Tstms S S S $$ PRZ010-102000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 76 87 76 88 Temp 82 86 88 85 80 78 76 77 82 86 87 84 80 78 76 77 83 87 88 85 80 Dewpt 76 79 79 79 76 76 75 74 76 79 79 78 76 76 75 75 77 79 79 78 77 RH 82 80 75 82 88 94 97 90 82 80 77 82 88 94 97 94 82 77 75 80 91 Wind dir NE SW SW E NE E E E SE S S S E E SE SE SE SE S NE E Wind spd 3 3 2 4 3 2 4 4 8 11 12 9 6 4 5 6 8 5 4 3 6 Clouds CL SC B2 B2 B1 SC CL CL CL CL B2 B2 SC SC CL CL CL CL OV OV B1 PoP 12hr 70 40 50 20 70 QPF 12hr 2.07 0.04 0.16 0.01 0.31 Rain shwrs S L L C S C C S S L L C Tstms S S S S S S Heat index 90100103 97 86 90 99101 95 85 92101103 96 87 Max heat 90 103 102 84 90 101 100 92 103 102 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 88 74 88 74 89 74 89 Temp 76 83 88 79 74 82 88 79 74 83 89 79 74 83 89 79 Dewpt 75 76 79 77 74 77 80 77 74 76 79 77 74 76 79 77 PWind dir E NE E E E NE E NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC CL SC B1 CL CL SC SC CL CL SC B1 CL CL SC B1 PoP 12hr 40 60 0 50 0 60 0 60 Rain shwrs C L L C C L L L L Tstms S S S S S S S S $$ VIZ001-102000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 79 87 80 88 Temp 84 86 87 85 82 80 79 80 84 86 87 85 82 81 80 81 85 87 88 85 82 Dewpt 76 76 77 76 76 76 77 77 77 78 77 77 77 77 77 77 77 77 77 77 77 RH 77 72 72 75 82 88 94 91 80 77 72 77 85 88 91 88 77 72 70 77 85 Wind dir E E E E E E E SE SE SE SE SE SE SE SE SE SE SE SE SE E Wind spd 11 11 11 9 8 9 8 8 11 11 9 8 3 8 8 10 11 8 4 5 9 Clouds B2 SC SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC PoP 12hr 50 60 50 50 40 QPF 12hr 0.31 0.41 0.19 0.16 0.05 Rain shwrs C C C C C C L C C C C C C C C C C C S S C Tstms S S S S S S S S Heat index 93 96 98 94 89 86 84 85 94 98 99 96 90 88 87 88 95 99101 96 90 Max heat 93 98 98 88 94 99 99 89 95 101 100 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 88 79 88 79 89 80 89 Temp 79 84 88 82 79 84 88 82 79 85 89 83 80 85 89 83 Dewpt 77 78 77 77 77 77 77 77 77 78 77 77 77 78 78 77 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ Avg clouds B1 B1 SC SC SC SC SC SC FW SC SC SC SC SC FW SC PoP 12hr 40 20 20 20 40 40 30 10 Rain shwrs C C S S S S S S S C C C C C S S $$ VIZ002-102000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 77 88 77 89 Temp 84 88 89 86 81 79 77 78 83 87 88 85 81 79 77 78 84 88 89 86 82 Dewpt 76 76 76 76 75 75 75 75 76 76 76 76 76 76 75 75 76 76 76 75 76 RH 77 68 66 72 82 88 94 91 80 70 68 75 85 91 94 91 77 68 66 70 82 Wind dir E E E E E E E E SE SE SE SE E E SE SE E SE SE SE E Wind spd 11 11 10 6 6 5 6 5 10 11 11 6 5 6 8 9 10 8 6 5 6 Clouds B2 SC SC SC B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 60 40 40 30 QPF 12hr 0.36 0.43 0.13 0.09 0.03 Rain shwrs C C C C C L L C C C C C C C C C S S S S C Tstms S S S S Heat index 93 98100 95 87 92 98 99 94 87 93 99100 95 89 Max heat 93 100 99 85 92 99 99 85 93 100 99 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 89 78 90 78 90 77 90 Temp 78 84 89 82 78 85 90 82 78 85 90 81 77 85 90 82 Dewpt 75 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ GN Avg clouds B1 B1 B1 SC SC SC FW FW FW SC B1 SC SC SC SC SC PoP 12hr 40 40 20 5 40 40 30 20 Rain shwrs C C C S S S S S S C C C C C S S $$